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FR1422501A - Improvements made to frequency comparator devices - Google Patents

Improvements made to frequency comparator devices

Info

Publication number
FR1422501A
FR1422501A FR2092A FR2092A FR1422501A FR 1422501 A FR1422501 A FR 1422501A FR 2092 A FR2092 A FR 2092A FR 2092 A FR2092 A FR 2092A FR 1422501 A FR1422501 A FR 1422501A
Authority
FR
France
Prior art keywords
improvements made
frequency comparator
comparator devices
devices
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR2092A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hawker Siddeley Dynamics Ltd
Original Assignee
Hawker Siddeley Dynamics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hawker Siddeley Dynamics Ltd filed Critical Hawker Siddeley Dynamics Ltd
Application granted granted Critical
Publication of FR1422501A publication Critical patent/FR1422501A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Electronic Switches (AREA)
FR2092A 1964-01-20 1965-01-15 Improvements made to frequency comparator devices Expired FR1422501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2405/64A GB1097021A (en) 1964-01-20 1964-01-20 Improvements in or relating to frequency comparison devices

Publications (1)

Publication Number Publication Date
FR1422501A true FR1422501A (en) 1965-12-24

Family

ID=9738976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2092A Expired FR1422501A (en) 1964-01-20 1965-01-15 Improvements made to frequency comparator devices

Country Status (5)

Country Link
US (1) US3382376A (en)
CH (1) CH439484A (en)
DE (1) DE1293341B (en)
FR (1) FR1422501A (en)
GB (1) GB1097021A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1591994A1 (en) * 1967-07-12 1971-01-07 Rohde & Schwarz Arrangement for direct measurement of a low frequency
FR2385258A1 (en) * 1977-03-25 1978-10-20 Corsion Brigitte Frequency comparator selector and filter - uses electronic switch to short circuit output if input frequency is not within passband

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597694A (en) * 1966-03-18 1971-08-03 Magnavox Co Fm demodulator system for facsimile transmission
FR1559828A (en) * 1968-01-26 1969-03-14
US3582797A (en) * 1968-05-08 1971-06-01 Xerox Corp Phase comparison control system
US3663884A (en) * 1969-10-24 1972-05-16 Westinghouse Electric Corp Frequency difference detector
US3893030A (en) * 1969-10-24 1975-07-01 Philips Corp Coincidence measuring circuit for indicating time intervals
CH518555A (en) * 1970-02-05 1972-01-31 Bbc Brown Boveri & Cie Method for the unambiguous determination of the phase shift between two periodic electrical signals that are the same or nearly the same in frequency
US3656063A (en) * 1970-04-29 1972-04-11 Atomic Energy Commission Digital frequency comparator
JPS4847007A (en) * 1971-10-13 1973-07-04
JPS50153685A (en) * 1974-05-30 1975-12-10
JPS524865U (en) * 1975-06-24 1977-01-13
US4109209A (en) * 1977-03-07 1978-08-22 Rca Corporation Pulse staggering circuit
DE2726383C2 (en) * 1977-06-10 1985-07-18 Diehl GmbH & Co, 8500 Nürnberg Electromechanical control device for an electronic digital display
US4277754A (en) * 1979-10-23 1981-07-07 Matsushita Electric Industrial Co., Ltd. Digital frequency-phase comparator
FR2584549B1 (en) * 1985-07-03 1990-08-31 Commissariat Energie Atomique METHOD OF USING A BISTABLE N BISTABLE CELL REGISTRY FOR DETERMINING THE TWO-FREQUENCY RATIO AND DEVICE FOR CARRYING OUT THIS METHOD

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092736A (en) * 1960-03-30 1963-06-04 Lignes Telegraph Telephon Plural signal frequency detector able to continuously distinguish whether frequency difference is positive or negative
US3193769A (en) * 1961-03-06 1965-07-06 Jordan Controls Inc Signal frequency comparator and control apparatus
US3227863A (en) * 1961-08-03 1966-01-04 Auerbach Electronics Corp Digital position control and/or indicating system
US3205438A (en) * 1962-01-22 1965-09-07 Electro Mechanical Res Inc Phase detector employing bistable circuits
NL299721A (en) * 1962-10-25
US3221250A (en) * 1962-11-02 1965-11-30 Wang Laboratories Digital frequency meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1591994A1 (en) * 1967-07-12 1971-01-07 Rohde & Schwarz Arrangement for direct measurement of a low frequency
FR2385258A1 (en) * 1977-03-25 1978-10-20 Corsion Brigitte Frequency comparator selector and filter - uses electronic switch to short circuit output if input frequency is not within passband

Also Published As

Publication number Publication date
GB1097021A (en) 1967-12-29
US3382376A (en) 1968-05-07
CH439484A (en) 1967-07-15
DE1293341B (en) 1969-04-24

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